using System.Globalization;
using System.Windows.Data;

namespace MaterialDesignThemes.Wpf.Converters;

public class TextFieldHintVisibilityConverter : IValueConverter
{
    public Visibility IsEmptyValue { get; set; } = Visibility.Visible;
    public Visibility IsNotEmptyValue { get; set; } = Visibility.Hidden;

    public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
    {
        return string.IsNullOrEmpty((value ?? "").ToString()) ? IsEmptyValue : IsNotEmptyValue;
    }

    public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
    {
        return Binding.DoNothing;
    }
}
